基于虚拟仪器的自适应型蓄能器测试系统.pdf

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1、机床与液压Mar．2013HydromechatronicsEngineeringVo1．41No．6DOI：10．3969／j．issn．1001-3881．2013．06．006TheResearchonTestSystemofAdaptiveAccumulatorBasedonVirtualInstrumentZHANGYin，，KONGXiangdong，QUANLingxiaoj．CollegeofMechanicalEngineering，Yanshan，Qinhuangdao066004，China；2．QinhuangdaoInstituteofTechnology，Q

2、inhuangdao066004，ChinaAbstract：InthispaperatestsystemofadaptivehydraulicaccumulatorbasedoRvirtuaIinstru-mentwaspresented．Fortheparameteradaptiveaccumulatorinwhichoperatingparametersandstructureparameterscanbechangedunderdiferentworkingconditions，anautomatictestsys-ternwasdesignedbasedonthatvirtu

3、alinstrumentandDSPtechnologyisusedtomodifytheDa-rameters．Boththedesignprincipleofthesystemandtheconstructionofhardware／softwarewereintroducedinthispaper．Theresultsoftheexperimentshowthatthetestsystemcanfinishthetesttaskconvenientlyandexactly．whichisbeRertodesignanadaptiveaccumulator．Keywords：vir

4、tualinstrument，accumulator，adaptive．DSPchanged．1．IntroductionAdaptiveaccumulator[4—6]prototypeinwhichparameterscanbeadjustedhasbeenbuiltrecently．ThepopularhydraulicaccumulatorplayssingleItsstructureincludestheadvantagesofbladderaccu-functioninhydraulicsystem，becauseitsfundamentalmulatorandplunge

5、raccumulator．Becausethegastheoryisold-fashionedanditsstructurecannotbestiffnessofaccumulatorisvariable，thegasstiffnesschangedreal-timely．Accumulatorhasbeenconsid—coefficientcanbechangedbyadjustingtheinflationeredasanindispensablecomponentinmanyhydrau—volumeandinflationpressuretomeettherequiremen

6、tlicsystems，whichisselectedtoplayanimportantofsystemautomatically．roletoimprovethefunctionofthesystem[1—2]．ItInthispaper，atestsystembasedonvirtualin-isusuallyusedtoeliminateshockandvibration，andstrumentwasdesignedforparameteradaptiveaccu—tostoresystemenergyandsoon[3]．Traditionalgo—mulatorinwhich

7、theworkingparameters(inflationcumulatorssuchasdiaphragmtype，pistontypeandpressure，inflationvolumeandmainmedium—MRflu-bladdertypeaccumulatorshavedrawbacks：ononeiddampingcoefficient)andthestructureparametershand，theparameterse